The Specimen

From ROI Wiki

The Specimen is a future novel in the Earthfleet Extended Universe and covers a period of time during the era of The Earthfleet Saga involving a secret world within the galaxy that contains a colony of humans who are illegally being held as slaves by the Ichigwa as specimens for study to assuage their great curiosity and quest for knowledge. ETA on either the completion or release of this is as yet unknown.